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From Andy Skalet <aeska...@bitjug.com>
Subject Re: frequent client exceptions on 0.7.0
Date Thu, 17 Feb 2011 09:17:57 GMT
On Thu, Feb 17, 2011 at 12:37 AM, Peter Schuller
<peter.schuller@infidyne.com> wrote:
> Bottom line: Check /var/log/cassandra/system.log to begin with and see
> if it's reporting anything or being restarted.

Thanks, Peter.

In the system.log, I see quite a few of these across several machines.
 Everything else in the log is INFO level.

 WARN [ScheduledTasks:1] 2011-02-17 07:19:47,491 MessagingService.java
(line 545) Dropped 182 READ messages in the last 5000ms
 WARN [ScheduledTasks:1] 2011-02-17 08:10:06,142 MessagingService.java
(line 545) Dropped 31 READ messages in the last 5000ms
 WARN [ScheduledTasks:1] 2011-02-17 08:11:12,237 MessagingService.java
(line 545) Dropped 54 READ messages in the last 5000ms
 WARN [ScheduledTasks:1] 2011-02-17 08:11:17,392 MessagingService.java
(line 545) Dropped 487 READ messages in the last 5000ms

The machines are in EC2 with firewall permission to talk to each
other, so while not the most solid of network environments, at least
pretty common these days.  System is not going down, and cassandra
process is not dying.

Andy

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